D5. Beasley, Rule. In Klimko, Ronald. Bassoon Performance Practices and Teaching in the United States and Canada. Idaho: University of Idaho, 1974, p. 63.

o o x | o o o
 c       E

D5. Beebe, Jon. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 57. Is this right?:

       Eb
 3/4 x x | o o x Ab
d

D5. Cooper, L. Hugh. "Bassoon Clinic Series, Part Four," Etude: the Music Magazine 47/6 (June 1949): 356.

   (Eb)
o o x | o o x Ab
c

D5. Cooper, L. Hugh. To the World's Bassoonists 4/2 (1974[75]): 4.

     Eb
 o o x | o o o
d         E

D5. Cooper, L. Hugh. To the World's Bassoonists 7/3 (1977): 5. Groeling, Charles R. "Cultivating Bassoonists." The Instrumentalist 47/1 (August 1992): 52. Cooper p. 338.

     Eb
 o o x | o o x Ab
d

D5. Corey, Gerald (25 May 1995).

D5:
     Eb
 x o x | o o x Ab
d           F#

D5. Davenport, Francesca (Glickman, Loren). In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 62

     Eb
 o / x | o o x F
d              Ab

D5. Hale, T. Geoffrey.In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 68. Roemildt, Michael. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 71. Sogg, David. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 72. Same as Cooper p. 339.

      Eb
  o o x | o o o
 d

D5. Hardisty, Donald M. "Tuning those Bassoons: Part II--Tuning Individual Notes and Registers." The Instrumentalist 36/8 (March 1982): 72.

     Eb
 o / o | o o x F
d

D5. Moritz, Frederick. "A Dissertation on the Use of Alternate Fingerings for Some of the High Register Notes on the Heckel and Heckel-Type Bassoons." The Double Reed 8/3 (Winter 1985): 32.

     Eb
 o o x | o o x Ab
d

D5. McAuliffe, Joseph. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 65.

    Eb
/ x x | o o o

D5. Roemildt, Michael. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 71. For combination of D5-C5-D5:

D5:
     Eb
 o o x | o o x
d

C5:

     Eb
 x o x | x x o
d       Bb

D5:

     Eb
 o o x | o o o
d

D5. Savige, David. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 58.

     Eb
 o / x | o o x F Ab
d

D5. Wangler, Steven. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 74. Same as Cooper p. 338 but add R. H. Bb key.

     Eb
 o o x | o o x Ab 
d       Bb

D5. Williams, Robert S. In Klimko, Ronald. Bassoon Performance Practices and Teaching in the United States and Canada. Idaho: University of Idaho, 1974, p. 68. L. H.: thumb D speaker key; half-hole E hole, cover D and C holes; Eb key. R. H.: nothing.

     Eb
 / x x | o o o F
d

D5. Winstead, William. In Klimko, Ronald. Bassoon Performance Practices and Teaching in the United States and Canada. Idaho: University of Idaho, 1974, p. 70. Use only "fingernail in the D hole." The Ab key may be used instead of the F key.

       Eb
 o 1/4 o | o o x F
d         Bb

D5. Winstead, William. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 54.

     Eb
 o / x | x o x F Ab
d

Heckel-system bassoon fingerings by note name